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TI-2008-01455 Aliases CVE-2008-1521GHSA-hwpq-rvwc-x473

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2)…

Priority LOW 31CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to gain privileges by accessing administrative URIs, as demonstrated by rpSysAdmin.html.

Why it matters now

EPSS 0.01096 65th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:h:zyxel:prestige_660:h-d1:*:*:*:*:*:*:*h-d1VulnerableZyxel
cpe:2.3:h:zyxel:prestige_660:h-d3:*:*:*:*:*:*:*h-d3VulnerableZyxel
cpe:2.3:h:zyxel:prestige_661:hw-d1:*:*:*:*:*:*:*hw-d1VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:agd.2:*:*:*:*:*:*3.40 agd.2VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:agl.3:*:*:*:*:*:*3.40 agl.3VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:ahq.0:*:*:*:*:*:*3.40 ahq.0VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:ahq.3:*:*:*:*:*:*3.40 ahq.3VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:ahz.0:*:*:*:*:*:*3.40 ahz.0VulnerableZyxel
cpe:2.3:h:zyxel:zynos:3.40:atm.0:*:*:*:*:*:*3.40 atm.0VulnerableZyxel
  • cpe:2.3:h:zyxel:prestige_660:h-d1:*:*:*:*:*:*:* Versions h-d1 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:prestige_660:h-d3:*:*:*:*:*:*:* Versions h-d3 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:prestige_661:hw-d1:*:*:*:*:*:*:* Versions hw-d1 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:agd.2:*:*:*:*:*:* Versions 3.40 agd.2 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:agl.3:*:*:*:*:*:* Versions 3.40 agl.3 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:ahq.0:*:*:*:*:*:* Versions 3.40 ahq.0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:ahq.3:*:*:*:*:*:* Versions 3.40 ahq.3 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:ahz.0:*:*:*:*:*:* Versions 3.40 ahz.0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:zynos:3.40:atm.0:*:*:*:*:*:* Versions 3.40 atm.0 Vulnerable ·Zyxel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-1521
  2. 2026-10-03 Alias added: GHSA-hwpq-rvwc-x473

References

  • TI-2008-01461 ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9)… CVSS 2.0HIGH 7.5
  • TI-2008-01458 The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with… CVSS 2.0HIGH 7.5
  • TI-2008-01456 ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2)… CVSS 2.0HIGH 7.5
  • TI-2008-01463 ZyXEL Prestige routers have a minimum password length for the admin account that is too… CVSS 2.0MEDIUM 5.0
  • TI-2008-01459 The default SNMP configuration on ZyXEL Prestige routers, including P-660 and P-661… CVSS 2.0MEDIUM 5.0
  • TI-2008-01457 ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware… CVSS 2.0MEDIUM 5.0
See all 7 →

Sources